Toro Greensmaster TriFlex 3300 Service Manual page 188

Starting Problems (continued)
Problem
Engine cranks (but should not) with the functional
control lever in the MOW or TRANSPORT position.
Engine cranks, but does not start.
The engine glow plug circuit does not operate properly
(Greensmaster 3400).
The engine starts, but stops when the ignition switch is
released from the START position (Greensmaster
3400).
Electrical System
Possible Causes
Neutral switch is out of adjustment or is faulty.
Circuit wiring for neutral switch is loose, corroded or
damaged.
The fuel tank is empty.
The fuel filter is plugged.
Engine and/or fuel may be too cold.
Wiring to start circuits is loose, corroded or damaged
(see electrical schematic in Chapter 10 -- Foldout
Drawings).
Engine or fuel system is malfunctioning (see Chapter 3
-- Gasoline Engine or Chapter 4 -- Diesel Engine).
Kill relay or circuit wiring is faulty (Greensmaster
3300).
Fusible link to fuel solenoid pull coil is faulty
(Greensmaster 3400).
Fuel solenoid or circuit wiring is faulty.
Fuel pump or circuit wiring is faulty (Greensmaster
3400).
The engine glow plug circuit does not operate properly
(Greensmaster 3400) (see below).
Wiring in the engine glow circuit is loose, corroded or
damaged (see electrical schematic in Chapter 10 --
Foldout Drawings).
One (or more) of the engine glow plugs is faulty.
Fuse(s) is (are) faulty.
The fusible link harness at the engine starter motor is
faulty.
The glow relay is faulty.
The TEC Controller is faulty.
The engine fuel stop solenoid or circuit wiring is faulty
(pull coil operates but hold coil or circuit wiring is
faulty).
Fuse(s) is (are) faulty (other electrical components
most likely affected as well).
The ignition switch is faulty.
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